In total, 18 people made it to the Forbes 400 for the first time this year, including Napster co-founder Sean Parker, who ranked 200th, and John Henry, majority owner of the Boston Red Sox and Liverpool FC, at No. 375.

Facebook founder Mark Zuckerberg was the biggest dollar-gainer on the list, with a net worth of $17.5 billion that earned him the No. 14 spot.

There were 42 women on the list, including media mogul Oprah Winfrey at No. 139, with a net worth of $2.7 billion.